per_listener_settings true listener 1883 password_file /etc/mosquitto/password_file listener 8883 dhparamfile /etc/mosquitto/dhparam.pem certfile /etc/mosquitto/certs/cert.pem cafile /etc/mosquitto/certs/chain.pem keyfile /etc/mosquitto/certs/privkey.pem password_file /etc/mosquitto/password_file listener 8083 protocol websockets password_file /etc/mosquitto/password_file listener 8084 protocol websockets dhparamfile /etc/mosquitto/dhparam.pem certfile /etc/mosquitto/certs/cert.pem cafile /etc/mosquitto/certs/chain.pem keyfile /etc/mosquitto/certs/privkey.pem password_file /etc/mosquitto/password_file